hmc5883l_read.c

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/*
   hmc5883l_read.c : report magnetometer measurements

   Copyright (C) 2016 James Jackson

   This file is part of BreezySTM32.

   BreezySTM32 is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   BreezySTM32 is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with BreezySTM32.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <breezystm32.h>

#define BOARD_REV 2


volatile uint8_t mag_status = 0;
int16_t mag_data[3] = {0.0, 0.0, 0.0};

void setup(void)
{
  delay(500);
  i2cInit(I2CDEV_2);

  // Initialize the Magnetometer
  hmc5883lInit(BOARD_REV);
  hmc5883l_request_async_update();
}

void loop(void)
{
  hmc5883l_request_async_update();
  hmc5883l_async_read(mag_data);
  printf("%d\t %d\t %d\n",
         (int32_t)(mag_data[0]),
         (int32_t)(mag_data[1]),
         (int32_t)(mag_data[2]));
  delay(6);


}